package com.wonderfulmall.cart.controller;

import com.wonderfulmall.cart.service.CartService;
import com.wonderfulmall.cart.vo.Cart;
import com.wonderfulmall.cart.vo.CartItem;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.ExecutionException;


/**
 * 浏览器cookie user-key：标识用户身份
 */
@Controller
public class CartController {
    @Resource
    private CartService cartService;
    @GetMapping("/cart.html")
    public String cartListPage(Model model) throws ExecutionException, InterruptedException {
        //得到用户信息
        Cart cart = cartService.getCart();
        model.addAttribute("cart",cart);
        return "cartList";
    }

    @GetMapping("/deleteItem")
    public String deleteItem(@RequestParam("skuId")Long skuId){
        cartService.deleteItem(skuId);
        return "redirect:http://cart.wonderfulmall.com/cart.html";
    }

    @GetMapping("/countItem")
    public String countItem(@RequestParam("skuId")Long skuId,@RequestParam("num")Integer num){
        cartService.changeItemCount(skuId,num);
        return "redirect:http://cart.wonderfulmall.com/cart.html";
    }

    @GetMapping("/checkItem")
    public String checkItem(@RequestParam("skuId")Long skuId,@RequestParam("check")Integer check){
        cartService.checkItem(skuId,check);
        return "redirect:http://cart.wonderfulmall.com/cart.html";
    }

    @GetMapping("/addToCart")
    public String addToCart(@RequestParam("skuId")Long skuId, @RequestParam("num")Integer num, RedirectAttributes ra) throws ExecutionException, InterruptedException {
        cartService.addToCart(skuId,num);
        ra.addAttribute("skuId",skuId);
        return "redirect:http://cart.wonderfulmall.com/addToCartSuccess.html";
    }

    @GetMapping("/addToCartSuccess.html")
    public String addToCartSuccessPage(@RequestParam("skuId")Long skuId,Model model){
        CartItem cartItem = cartService.getCartItem(skuId);
        model.addAttribute("item",cartItem);
        return "success";
    }

    @GetMapping("/currentUserCartItems")
    @ResponseBody
    public List<CartItem> getCurrentUserCartItems(){
        return cartService.getUserCartItems();
    }
}
